Marissa Mayer at Dreamforce 2013

November 19, 2013 7:44 PM

Photo: Justin Sullivan/Getty Images

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A protester shouts as Yahoo CEO Marissa Mayer speaks in conversation with Salesforce chairman and CEO Marc Benioff at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, Calif. The annual Dreamforce conference runs through November 21. less

A protester shouts as Yahoo CEO Marissa Mayer speaks in conversation with Salesforce chairman and CEO Marc Benioff at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, Calif. The annual ... more

Yahoo CEO Marissa Mayer speaks during a conversation with Salesforce chairman and CEO Marc Benioff at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual Dreamforce conference runs through November 21. less

Yahoo CEO Marissa Mayer speaks during a conversation with Salesforce chairman and CEO Marc Benioff at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual Dreamforce ... more

Yahoo CEO Marissa Mayer (R) speaks during a conversation with Salesforce chairman and CEO Marc Benioff (L) at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual Dreamforce conference runs through November 21. less

Yahoo CEO Marissa Mayer (R) speaks during a conversation with Salesforce chairman and CEO Marc Benioff (L) at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual ... more

Yahoo CEO Marissa Mayer speaks during a conversation with Salesforce chairman and CEO Marc Benioff at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual Dreamforce conference runs through November 21. less

Yahoo CEO Marissa Mayer speaks during a conversation with Salesforce chairman and CEO Marc Benioff at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual Dreamforce ... more

Yahoo CEO Marissa Mayer (R) speaks during a conversation with Salesforce chairman and CEO Marc Benioff (L) at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual Dreamforce conference runs through November 21. less

Yahoo CEO Marissa Mayer (R) speaks during a conversation with Salesforce chairman and CEO Marc Benioff (L) at the 2013 Dreamforce conference on November 19, 2013 in San Francisco, California. The annual ... more